CVE-2021-1892 : Vulnerability Insights and Analysis

This article provides detailed information about CVE-2021-1892, a vulnerability found in various Qualcomm products, leading to memory corruption due to improper input validation while processing IO control.

Understanding CVE-2021-1892

This section delves into the nature of the vulnerability and its impact.

What is CVE-2021-1892?

The vulnerability involves memory corruption resulting from improper input validation during the processing of nonstandard IO control in multiple Qualcomm products.

The Impact of CVE-2021-1892

The vulnerability poses a high-risk threat with a CVSS base score of 8.4, impacting confidentiality, integrity, and availability.

Technical Details of CVE-2021-1892

This section explores the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from improper input validation in WLAN, affecting a range of Snapdragon products and versions.

Affected Systems and Versions

The vulnerability affects various Qualcomm products, including Snapdragon Compute, Connectivity, Consumer Electronics Connectivity, Wired Infrastructure, and Networking, impacting a wide array of product versions.

Exploitation Mechanism

The vulnerability can be exploited by an attacker with low attack complexity locally, without requiring any special privileges.

Mitigation and Prevention

This section offers guidance on addressing the CVE-2021-1892 vulnerability.

Immediate Steps to Take

Users should apply security patches provided by Qualcomm promptly to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing robust input validation mechanisms and regular security updates can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for and apply firmware updates released by Qualcomm to safeguard against potential security threats.